APA ציטוט

Allison, I. S. (1980). Geology the science of a changing earth. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Allison, Ira Shimmin. Geology the Science of a Changing Earth. New York: McGraw-Hill, 1980.

ציטוט MLA

Allison, Ira Shimmin. Geology the Science of a Changing Earth. New York: McGraw-Hill, 1980.